CVE-2025-71203
kernel: riscv: Sanitize syscall table indexing under speculation
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Severity
UnknownRed Hat Product Security
CVSS
Review impact separately from score.
Published · February 14, 2026
Updated · June 28, 2026
Description
In the Linux kernel, the following vulnerability has been resolved:
riscv: Sanitize syscall table indexing under speculation
The syscall number is a user-controlled value used to index into the syscall table. Use array_index_nospec() to clamp this value after the bounds check to prevent speculative out-of-bounds access and subsequent data leakage via cache side channels.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CWE not specified